CVE-2026-27877: Public dashboards discloses all direct mode datasources
When using public dashboards and direct data-sources, all direct data-sources' passwords are exposed despite not being used in dashboards.
No passwords of proxied data-sources are exposed. We encourage all direct data-sources to be converted to proxied data-sources as far as possible to improve your deployments' security.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Convert direct data-sources to proxied data-sources to prevent their passwords from being exposed when dashboards are made public.
direct data-sources connection_mode = proxied - Compensating control
Avoid making dashboards public while direct data-sources remain in use, or restrict access to public dashboards to trusted IPs/users at the application or network level to prevent password exposure.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-27877?
CVE-2026-27877 has been classified with a high severity due to the exposure of sensitive passwords in public dashboards.
How do I fix CVE-2026-27877?
To mitigate CVE-2026-27877, convert all direct data-sources to proxy mode to prevent password exposure.
What types of data sources are affected by CVE-2026-27877?
CVE-2026-27877 affects all direct data-sources when used in public dashboards.
Are passwords for proxied data-sources exposed in CVE-2026-27877?
No, passwords of proxied data-sources are not exposed in CVE-2026-27877.
Which software is impacted by CVE-2026-27877?
CVE-2026-27877 impacts Grafana Labs Grafana software.